• Title/Summary/Keyword: 지질요소

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Proposal of Educational Activities in Geosites for Geological Field Courses in Gunsan City, Jeonbuk, Korea (전북 군산시 일대 야외지질학습을 위한 지질명소와 교육적 활용 논의)

  • Jeong, Dong-Gwon;Cho, Kyu-Seong
    • Journal of the Korean earth science society
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    • v.43 no.3
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    • pp.464-479
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    • 2022
  • In this study, appropriate geosites for geological field trips were explored and measures for their effective utilization in education were discussed, focusing on Okseo-myeon, Sanbuk-dong, Bieung-do, Yami-do, Sinsi-do, and Seonyu-do areas in Gunsan City, Korea. To this end, we analyzed the geological learning elements of the curriculum that were revised in 2015 and selected 7 geosites through field work based on prior research on the study areas. These areas have immense potential as a rich source of information on the Mesozoic geology of the Korean Peninsula, including igneous rocks formed as a consequence of Jurassic and Cretaceous igneous activities, Cretaceous sedimentary rocks, dinosaur footprints, plant fossils, ripple marks, and folds. When the learning elements available at the geosites were compared to those of the curriculum, they contained essentials used in high grade of elementary school and high school, and in particular, they had most of the learning elements used in high school. Accordingly, educational activities that can be carried out in each of the geosites in Gunsan City were proposed.

Comparing Elements of Inquiry in Field Geology by Learner Groups: Focusing on Cases of Geologic Fieldwork Education (교육 대상에 따른 야외 지질학 탐구 요소 특성 비교 : 지질 답사 교육 사례를 중심으로)

  • Jung, Chan-Mi;Shin, Dong-hee
    • Journal of the Korean Society of Earth Science Education
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    • v.10 no.3
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    • pp.235-253
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    • 2017
  • The purpose of this study is to compare by learner groups(K-12, geology-related majoring students, science teachers) how geologic fieldwork education cases in domestic and foreign papers for recent 20 years reflect the elements of inquiry in field geology. The total number of analyzed cases is 53(58 for double counting), and the analysis was conducted on the elements of inquiry in field geology and their sub-element. As a result, there was a clear difference between the cases of geologic fieldwork education for K-12 and college students majoring in geology-related disciplines, in the way of reflecting elements of inquiry in field geology. Because most of K-12 target fieldworks were designed based on the curriculum, it mainly included 2-3 elements of observations, representations, and/or abductive reasoning. On the other hand, because fieldworks for geology-related major students aim to train geologic experts, it diversely contained four or five of the elements of inquiry in field geology, including spatial thinking and diachronic thinking in a high proportion, and also frequently used activities that require specialized skills such as geological mapping. Fieldworks for science teachers were found to have mixed features of K-12 and geology-related major students. Considering the diversity of included inquiry elements, similarities with the activities performed by geologists, and the autonomy of learners, it was analyzed that geologic fieldwork for geology-related major students was more close to authentic geologic inquiry than fieldwork for others. Based on the results of this study, we suggested implications for improving geological fieldwork as authentic science inquiry.

Drawing Elements of Inquiry in Field Geology and Analyzing Field Geology Education in Previous Studies (야외 지질학 탐구 요소 추출 및 지질 답사 교육 문헌 분석)

  • Jung, Chanmi;Shin, Donghee
    • Journal of The Korean Association For Science Education
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    • v.37 no.3
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    • pp.465-481
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    • 2017
  • This study is a research synthesis analyzing how field geology education is conducted in domestic and foreign countries in the recent 20 years and how it reflects the characteristics of authentic geologic inquiry. For these purposes, we first drew five elements of inquiry in field geology (observation, representation, abductive reasoning, spatial thinking, and diachronic thinking) considering the field geologists' actual research method as well as its pedagogical significance in science education. We developed analysis criteria for field geology education. The 53 cases were analyzed based on each element of inquiry in field geology and its sub-elements, and also the tendency of overall elements. As a result, observation and representation were included in most cases, but there appeared less frequency in order of abductive reasoning, spatial thinking, and diachronic thinking. For observation, the ratio of purposive observation and autonomous observation is high. For representation, both visualizing and linguistic type of representation and free-form representation appear frequently. For abductive reasoning, the step of generating hypothesis is often included and the hypothesis tends to be about the geological formatting process. For spatial thinking, type of self-location and perception of the spatial configuration of the structure appear at a high rate. For diachronic thinking, type of stratigraphic sequence is the most frequent. The proportions of the cases including three or more elements of inquiry in field geology consist 87% of the total. We suggested implications for improving geological fieldwork as authentic science inquiry in the future.

The Estimation of Weight of Attributes of Geological & Thematic Maps Using the AHP Method (AHP분석을 통한 지질도 및 주제도의 가치구성요소별 중요도 분석)

  • Kim, Dae-Hyung;Kim, Ji-Whan;Kim, Jin-Soo;Heo, Eunn-Yeong
    • Economic and Environmental Geology
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    • v.41 no.5
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    • pp.517-526
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    • 2008
  • Geological and related thematic maps make various economical and social benefits at many sectors. Recently, development of information managing technology such as GIS, Geographic Information System, enlarges the usage of geological map and information. In this research, using the Analytic Hierarchy Process, we analyzed the weight of attributes which compose value of geological map and information. Results of research are as follows. By the analysis of the weight of attributes, we found that the weight of confidence, upper hierarchy attribute, was above 50%. The weight of convenience and additional effect was about $16%{\sim}30%$ in the geological map, geophysical map, geochemical map and hydrogeologic map. And the consumption of each maps will increase, especially in large scale map.

GIS technolgy for analysing regional geologic hazards (Landslides) (광역 지질재해분석(산사태)을 위한 GIS활용)

  • 김윤종;김원영;유일현
    • The Journal of Engineering Geology
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    • v.2 no.2
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    • pp.131-140
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    • 1992
  • GIS(Geographic Information System) technology was applied for analysis of the potential degree of regional geologic hazard, especially landslide hazards in the suburb of Seoul City, whereby a regional geologic hazard map was produced. The factors causing a landslide such as slope geometry, geology, groundwater, soil property, rainfall and vegetation were incorporated through GIS in order to predict the potential hazards in this area. Cartographic simulation was finally made with these factors to produce a regional geologic hazard map. For this study, ARC/INFO and ERDAS systems were used in SUN 4-390 workstation.

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Analysis of Siting Criteria of Overseas Geological Repository (I): Geology (국외 심지층 처분장 부지선정기준 분석 (I) : 지질)

  • Jung, Haeryong;Kim, Hyun-Joo;Kim, Min Jung;Cheong, Jae-Yeol;Jeong, Yi-Yeong;Lee, Eun Yong
    • Journal of Nuclear Fuel Cycle and Waste Technology(JNFCWT)
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    • v.10 no.4
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    • pp.305-311
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    • 2012
  • Geology, hydrogeology, and geochemistry are the main technical siting factors of a geological repository for spent nuclear fuels. This paper focused on how rock's different geological conditions, such as topography, soils, rock types, structural geology, and geological events, influence the functions of the geological repository. In the context, the site selection criteria of various countries were analyzed with respect to the geological conditions. Each country established the criteria based on its important geological backgrounds. For example, it was necessary for Sweden to take into account the effect of ice age on the land uplift and sea level change, whereas Japan defined seismic activity and volcanism as the main siting factors of the geological repository. Therefore, the results of the paper seems to be helpful in preparing the siting criteria of geological repository in Korea.

Hydrogeological Controls on the Discharge Rate of Choosan Spring in the Nari Basin of Ulleung Island, South Korea (울릉도 나리분지 추산용천수 수량의 수리지질학적 지배요소)

  • Byeongdae Lee;Min Han;Chung-Ryul Ryoo;Byong-Wook Cho
    • The Journal of Engineering Geology
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    • v.34 no.1
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    • pp.13-24
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    • 2024
  • The purpose of this study is to identify the geology, geologic structure, hydrogeology and geomorphic characteristics of the Nari Basin and establish the controls on the discharge of water 20,000~40,000 m3/day from the Choosan Yongchulso, Ulleung Island, South Korea. Pumice and lapilli tuffs showing well-developed stratification are the predominant rock types surrounding the spring. The spring shows a structure whereby discharge occurs along a lens-like erosion cave formed by differential erosion of strata comprising tuff or pumice tuff. The Choosan Yongchulso is located at the point where the planation surface of the Nari Basin' ends and steep slopes begin. The basin is bounded on all sides by these steep slopes, except in the north, where the Choosan Yongchulso is located. Given these geomorphic characteristics, the Choosan Yongchulso is regarded as the ultimate outlet of the basin catchment area.